Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Make sourdough bread...and learn some colonial history and modern science in the process!

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

This science fair project idea experiments with spinning color wheels and optical illusions.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.